Microsoft Teams has tons and tons of different error messages you will probably end up seeing at some stage and this guide will show you how to fix a good portion of them starting with Microsoft Teams Error Code 0xCAA82EE7. Thankfully, while this error message is super annoying it can be solved fairly easily.

Takeaways:

  1. Solving Microsoft Teams error Error Code 0xCAA82EE7
  2. Fixing Microsoft Teams error messages on Windows 10 and 11

How to Fix Microsoft Teams Error 0xCAA82EE7

Clearing the Microsoft Teams cache can often resolve sign-in errors. Follow the steps below to ensure all related cache files are deleted:

On Windows 10:

  • Open the Run dialog: Press Windows Key + R.
  • Enter cache folder paths:

%appdata%\Microsoft\teams\Cache

%appdata%\Microsoft\teams\application cache\cache

%appdata%\Microsoft\teams\blob_storage

%appdata%\Microsoft\teams\databases

%appdata%\Microsoft\teams\GPUcache

%appdata%\Microsoft\teams\IndexedDB

%appdata%\Microsoft\teams\Local Storage

%appdata%\Microsoft\teams\tmp

  • Copy and paste each of the following paths into the Run box one at a time, press Enter, and delete all files in the folder:
  • Select all files: Press Ctrl + A and then Delete to remove the files in each folder.

microsoft teams error fix

On Windows 11:

  • Navigate to the Teams folder:
  • Open File Explorer and go to C:\Users\<username>\AppData\Roaming\Microsoft.
  • Delete the entire Teams folder.
  • Restart your device: After clearing the cache files, restart your computer and check if the issue is resolved.

Reinstall Microsoft Teams

If clearing the cache does not fix the error, reinstalling Microsoft Teams is the next thing you need to do.

  • Make sure all cache directories outlined above have been cleared then uninstall Microsoft Teams:
  • Open Settings > Apps > Installed apps (Windows 11) or Apps & Features (Windows 10).
  • Find Microsoft Teams in the list and click Uninstall.
  • Restart your computer. Then, reinstall Teams.
  • Download the latest version of Microsoft Teams from the Official Microsoft website.
  • Follow the installation instructions and launch Teams.

Update Windows

This is pretty straightforward but something people don't think to check half the time.

  • Go to Settings: Press Windows Key + I.
  • Navigate to Update & Security > Windows Update.
  • Click Check for updates and install any pending updates.
  • Restart your device after updates are installed.

Disable VPN and Proxy Settings

Network configurations such as VPNs or proxy servers can interfere with Microsoft Teams. Disable these settings and check if the issue is resolved:

  • Open Settings: Press Windows Key + I.
  • Go to Network & Internet > Proxy.
  • Turn off the "Use a proxy server" toggle under Manual proxy setup.
  • If using a VPN, disconnect it and test Teams again.